Blue Island, Sunday, 9 August, 07:58
Clear. Feels like 72°. High 87°, low 63°.
In January, Blue Island, IL averages a high of 30.2° and a low of 17.3°. About 2.2 inches of precipitation fall over the month (9 wet days). The record high is 62.2° (2008) and the record low -26.9° (1994). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 31.8° | 19.6° | 23% | 52.7° (2011) | -13.4° (1969) |
| 2 | 31.6° | 19.8° | 33% | 58.3° (2000) | -11° (1979) |
| 3 | 31.6° | 20.1° | 27% | 56.5° (2004) | -12.6° (1979) |
| 4 | 30.9° | 18° | 28% | 59° (1997) | -9.4° (1969) |
| 5 | 29.7° | 16.5° | 23% | 52.9° (1998) | -18.2° (1999) |
| 6 | 28.9° | 18.5° | 30% | 56.1° (2008) | -17.3° (2014) |
| 7 | 28.4° | 16° | 18% | 62.2° (2008) | -15.2° (2014) |
| 8 | 28.8° | 14.4° | 27% | 58.5° (1965) | -13° (1968) |
| 9 | 29.5° | 16.3° | 28% | 49.8° (2020) | -11.6° (1962) |
| 10 | 29.8° | 16.7° | 38% | 58.1° (1975) | -23.1° (1982) |
| 11 | 31.3° | 17.8° | 33% | 58.3° (2018) | -16.6° (1979) |
| 12 | 31.5° | 19.2° | 35% | 58.3° (2005) | -8.3° (1997) |
| 13 | 30.9° | 17.8° | 38% | 56.1° (2005) | -8.3° (1977) |
| 14 | 28.4° | 17.1° | 27% | 43.9° (2016) | -11.4° (2024) |
| 15 | 27.3° | 15.3° | 22% | 48° (1990) | -18.6° (1994) |
| 16 | 30° | 16.2° | 23% | 54.1° (1990) | -20° (2009) |
| 17 | 30.2° | 17.2° | 33% | 52.5° (1990) | -24.9° (1982) |
| 18 | 28.9° | 16.7° | 27% | 55.6° (1996) | -25.1° (1994) |
| 19 | 29.1° | 15.3° | 23% | 52.5° (2006) | -26.9° (1994) |
| 20 | 28.4° | 15.8° | 30% | 47.8° (2006) | -25.6° (1985) |
| 21 | 29.5° | 17.1° | 27% | 61.3° (2017) | -20.7° (1963) |
| 22 | 32.5° | 18.3° | 38% | 55.9° (2018) | -14.1° (1970) |
| 23 | 31.8° | 18.9° | 38% | 55.2° (1967) | -18.9° (1963) |
| 24 | 31.1° | 18.1° | 25% | 58.6° (1967) | -15° (1963) |
| 25 | 31.1° | 17.6° | 35% | 55° (1967) | -11.7° (1963) |
| 26 | 30.2° | 16.2° | 33% | 53.4° (2018) | -14.6° (2019) |
| 27 | 29.8° | 16.3° | 25% | 53.6° (2002) | -8.3° (2014) |
| 28 | 30.4° | 16.7° | 32% | 50.9° (1970) | -19.1° (1963) |
| 29 | 30.6° | 17.2° | 33% | 56.8° (2013) | -18.9° (1966) |
| 30 | 29.5° | 17.2° | 25% | 55.6° (1988) | -24.2° (2019) |
| 31 | 31.3° | 17.4° | 22% | 59.5° (1989) | -25.8° (2019) |